<template>
  <view>
    <view class="goods-list">
      <view v-for="(goods, i ) in goodsList" :key="i" @click="gotoDetail(goods)">
        <my-goods :goods="goods"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
          queryObj:{
            query:'', //跳转所带的关键词
            cid:'',//跳转所带的商品分类ID
            pagenum:1,
            pagesize:10
          },
          goodsList:[],
          total:0,
          isLoading:false //正在请求数据
          
      };
    },
    onLoad(options) {
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      this.getGoodsList()
    },
    methods:{
      // 获取商品列表数据
      async getGoodsList(cb){
        // 打开节流阀
        this.isLoading = true
        const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
        this.isLoading = false
        cb && cb()
        if(res.meta.status !== 200) return uni.$showMsg()
        this.goodsList = [...this.goodsList, ...res.message.goods]
        this.total = res.message.total
        // console.log(res)
      },
      onReachBottom(){
         if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
        if(this.isLoading) return 
        this.queryObj.pagenum++
        this.getGoodsList()
      },
      // 上拉加载
      onPullDownRefresh(){
        this.goodsList = [],
        this.queryObj.pagenum = 1,
        this.total = 0,
        this.isLoading = false
        
        this.getGoodsList(() => uni.stopPullDownRefresh())
      },
      gotoDetail(goods){
        uni.navigateTo({
          url:`/subpkg/goods_detail/goods_detail?goods_id=${goods.goods_id}`
        })
      }
    }
  }
</script>

<style lang="scss">

</style>
